Jenna Ortega thinks she had a “very secret” audition for ‘Dune’. The 21-year-old actress has revealed she once had a mysterious read for a role for what she believes was Chani in Denis Villeneuve’s big screen adaptation of Frank Herbert’s iconic 1965 sci-fi novel. Asked to name a role “people would be surprised” she auditioned for, she told Buzzfeed: “I think I auditioned for ‘Dune’ when I was about 15. “I remember being a big fan of that film and that franchise and everything like that and being really excited for that interview because Denis is one of my favourite filmmakers.” The ‘Wednesday…